package com.example.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

/**
 *
 */
@Controller
public class LoginController {
    //这样用来测试点击是否会显示ok, ok不是一个要去跳转的页面, 因为有@ResponseBody
//    @RequestMapping("/user/login")
//    @ResponseBody
//    public String login(){
//        return "ok";
//    }
    @RequestMapping("/user/login")
    public String login(@RequestParam("username") String username,
                        @RequestParam("password") String password,
                        Model model, HttpSession session){
        //具体业务, 判断username和password
        if(!StringUtils.isEmpty(username) && "123456".equals(password)){
            session.setAttribute("loginUser", username);
            return "dashboard";
        }else{
            model.addAttribute("msg", "用户名或者密码错误");
            return "index";
        }
    }
}
